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Forum: Pentax Medium Format
12-28-2015, 08:28 AM
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By looking at the studio image you posted, I think you might have a physical sensor stain/defect there. Out of curiosity: what lens are you using?
I suspect taking a photograph of a featureless white wall and measuring any variance in RGB values might reveal the nature of this defect.
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Forum: Pentax Medium Format
12-28-2015, 04:11 AM
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If you are shooting raw, this will have no effect.
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Forum: Pentax Medium Format
12-28-2015, 12:31 AM
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"monochromatic" is the word you're looking for, and the proliferation of LED lighting it has caused considerable irritation for me when photographing stage shows too. Even the CCD based Leica monochrom* suffers from this "hyper-saturation" effect
*Colleagues who use the Sigma FOVEON based cameras ( which are also CCD based) also have this problem. Film handles it better than digital due to its inherent exposure curve with handling highlights, rather than the digital linear 0 to 255.
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Forum: Pentax Medium Format
12-27-2015, 06:07 PM
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It never ceases to amuse me that people think that white should always look white regardless of what mix of lighting it is shot under, human eyes are able to adjust white balance without us even being aware of it. If the wardrobe people are upset: they should be annoyed with the lighting technicians - not you. All the camera did was what it is designed to do. If your client wanted photographs of the outfits, they should have gotten you to take the images in the green room* - at least the lighting would have been more uniform there.
The only questionable thing you did there was use automatic white balance, I prefer to work with a fixed white balance of 5000 Kelvin with all my cameras. I shoot raw all the time so it is a non issue to alter the WB in post if necessary.
* Green room - a misnomer if there ever was one, because they are never green.
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